218855600

素因数分解:

$2^4\times 5^2\times {\mathrm{547139}}^1$

素因数の和:547157

約数の個数: 30

約数和(自身を含む): 525801540

約数和(自身を除く): 306945940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 547139, 1094278, 2188556, 2735695, 4377112, 5471390, 8754224, 10942780, 13678475, 21885560, 27356950, 43771120, 54713900, 109427800, 218855600]

約数ペア:

[(1, 218855600), (2, 109427800), (4, 54713900), (5, 43771120), (8, 27356950), (10, 21885560), (16, 13678475), (20, 10942780), (25, 8754224), (40, 5471390), (50, 4377112), (80, 2735695), (100, 2188556), (200, 1094278), (400, 547139)]